Lawmakers are mobilizing quickly against the Clean Power Plan, announcing they will file formal congressional challenges after the Obama administration published the rule in the Federal Register today, a move that triggered lawsuits from a coalition of 24 states and a coal company. (The Hill)

Eliminating fossil fuels from the world’s energy supply is back on the United Nations agenda as envoys from around the world wrap up a week of discussions about a deal on global warming they intend to adopt by the end of the year. (Bloomberg)